Second Opinion"HIV In Middle Age"
While sexually transmitted diseases were once thought of as a problem in the young population, diseases such as HIV are rising at alarming rates in the middle age and elderly. Social, medical, physical and cultural factors are contributing to this trend. D

12:00 pm

NOVA"Dogs Decoded"
Humans have domesticated dogs longer than any other animal and over the centuries, dogs and humans have developed a unique relationship. New research reveals that, as dog lovers already believe, the domestic dog has an uncanny ability to read and respond to human emotions.G

1:00 pm

NOVA scienceNOW"Can We Live Forever?"
Host Neil deGrasse Tyson discusses how and why our bodies fall apart over time, and if there are ways to stop the process of aging. This episode also looks at scientific developments that seek to build body parts and organs to replace damaged ones.G

2:00 pm

Journey of Sacagawea
Oral history and tradition among the Lemhi Shoshonis, Sacagawea's descendants, and the Hidatsas, her childhood abductors, profile the person behind the western historical icon. Reenactments and scenes of the wild areas she knew help writer-producer Lori Joyce and her team explore the Lewis and Clark expedition.G

NOVA"Dogs Decoded"
Humans have domesticated dogs longer than any other animal and over the centuries, dogs and humans have developed a unique relationship. New research reveals that, as dog lovers already believe, the domestic dog has an uncanny ability to read and respond to human emotions.G

6:00 pm

Use Your Brain to Change Your Age with Dr. Daniel Amen
Do you want to feel more fit, energized, and mentally sharp? You can -- the fountain of youth is literally between your ears. A healthy brain is the key to staying vibrant and alive for a long time and an unhealthy brain will take your life early. In this powerful special DVD, clinical neuroscientist and bestselling author Dr. Daniel Amen shares simple steps to boost your brain to help you live longer, look younger and dramatically decrease your risk for Alzheimer's disease. D

7:30 pm

Dialogue"James McPherson"
James McPherson is one of America's greatest Civil War historians. McPherson's Pulitzer Prize winning writing captures the drama of this era and his latest book, "Tried by War: Abraham Lincoln as Commander in Chief," gives new insight into Abraham Lincoln's remarkable skill as a military leader. Joan Cartan-Hansen talks with McPherson about Lincoln and why we are still fighting over some of the same issues we thrashed out in the Civil War 150 years ago.G

NOVA scienceNOW"Can We Live Forever?"
Host Neil deGrasse Tyson discusses how and why our bodies fall apart over time, and if there are ways to stop the process of aging. This episode also looks at scientific developments that seek to build body parts and organs to replace damaged ones.G